.wrapper{
    display:flex;
    align-items:center;
    padding: 0 40px 0 12px;
    padding-right: 40px;
    height: 80px;
    background: #eee;
}
.ipt{
    flex:1;
    margin:0 5px;
    line-height: 36px;
    background: #eee;
    color: #333;
    font-size: 28px;
    outline:none;
    border:none;/*原生的input有点难看*/
    border-bottom: 1px solid #e4e4e4;
}
.box:placeholder{
    color:#1f1f1f;
}
